Revert 60378 (trying to track down http://crbug.com/56752 )- Flesh out URLLoa...

chrome/browser/renderer_host/resource_handler.h

Index: chrome/browser/renderer_host/resource_handler.h
===================================================================
--- chrome/browser/renderer_host/resource_handler.h	(revision 60424)
+++ chrome/browser/renderer_host/resource_handler.h	(working copy)
@@ -80,12 +80,6 @@
   // This is a signal that the associated URLRequest isn't valid anymore.
   virtual void OnRequestClosed() = 0;
 
-  // This notification is synthesized by the RedirectToFileResourceHandler
-  // to indicate progress of 'download_to_file' requests. OnReadCompleted
-  // calls are consumed by the RedirectToFileResourceHandler and replaced
-  // with OnDataDownloaded calls.
-  virtual void OnDataDownloaded(int request_id, int bytes_downloaded) {}
-
  protected:
   friend class ChromeThread;
   friend class DeleteTask<ResourceHandler>;